<%-- Created by IntelliJ IDEA. --%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
  <head>
    <title></title>
  </head>
  <body>

  </body>
  <script>
      let set2 = new Set([2,3,4,5,5]);
      console.log(set2);
      //set2.delete(2);
      console.log(set2);

  </script>
</html>
